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- /*=============================================================================
- Copyright (c) 2001-2007 Joel de Guzman
- Distributed under the Boost Software License, Version 1.0. (See accompanying
- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
- ==============================================================================*/
- #include <boost/detail/lightweight_test.hpp>
- #include <boost/fusion/adapted/struct/adapt_struct.hpp>
- #include <boost/fusion/sequence/intrinsic/at.hpp>
- #include <boost/fusion/sequence/intrinsic/size.hpp>
- #include <boost/fusion/sequence/intrinsic/empty.hpp>
- #include <boost/fusion/sequence/intrinsic/front.hpp>
- #include <boost/fusion/sequence/intrinsic/back.hpp>
- #include <boost/fusion/sequence/intrinsic/value_at.hpp>
- #include <boost/fusion/sequence/io/out.hpp>
- #include <boost/fusion/container/vector/vector.hpp>
- #include <boost/fusion/container/list/list.hpp>
- #include <boost/fusion/container/generation/make_vector.hpp>
- #include <boost/fusion/container/vector/convert.hpp>
- #include <boost/fusion/sequence/comparison/equal_to.hpp>
- #include <boost/fusion/sequence/comparison/not_equal_to.hpp>
- #include <boost/fusion/sequence/comparison/less.hpp>
- #include <boost/fusion/sequence/comparison/less_equal.hpp>
- #include <boost/fusion/sequence/comparison/greater.hpp>
- #include <boost/fusion/sequence/comparison/greater_equal.hpp>
- #include <boost/fusion/mpl.hpp>
- #include <boost/fusion/support/is_view.hpp>
- #include <boost/mpl/front.hpp>
- #include <boost/mpl/is_sequence.hpp>
- #include <boost/mpl/assert.hpp>
- #include <boost/static_assert.hpp>
- #include <iostream>
- #include <string>
- namespace namespaced_type {
- typedef int integer;
- }
- namespace ns
- {
- struct point
- {
- int x;
- int y;
- namespaced_type::integer z;
- };
- #if !BOOST_WORKAROUND(__GNUC__,<4)
- struct point_with_private_attributes
- {
- friend struct boost::fusion::extension::access;
- private:
- int x;
- int y;
- int z;
- public:
- point_with_private_attributes(int x, int y, int z):x(x),y(y),z(z)
- {}
- };
- #endif
- struct foo
- {
- int x;
- };
-
- struct bar
- {
- foo foo_;
- int y;
- };
- // Testing non-constexpr compatible types
- struct employee {
- std::string name;
- std::string nickname;
- employee(std::string name, std::string nickname)
- : name(name), nickname(nickname)
- {}
- };
- }
- #if BOOST_PP_VARIADICS
- BOOST_FUSION_ADAPT_STRUCT(
- ns::point,
- x,
- y,
- z
- )
- # if !BOOST_WORKAROUND(__GNUC__,<4)
- BOOST_FUSION_ADAPT_STRUCT(
- ns::point_with_private_attributes,
- x,
- y,
- z
- )
- # endif
- struct s { int m; };
- BOOST_FUSION_ADAPT_STRUCT(s, m)
- BOOST_FUSION_ADAPT_STRUCT(
- ns::bar,
- foo_.x, // test that adapted members can actually be expressions
- (auto , y)
- )
- BOOST_FUSION_ADAPT_STRUCT(
- ns::employee,
- name,
- nickname
- )
-
- #else // BOOST_PP_VARIADICS
- BOOST_FUSION_ADAPT_STRUCT(
- ns::point,
- (int, x)
- (auto, y)
- (namespaced_type::integer, z)
- )
- # if !BOOST_WORKAROUND(__GNUC__,<4)
- BOOST_FUSION_ADAPT_STRUCT(
- ns::point_with_private_attributes,
- (int, x)
- (int, y)
- (auto, z)
- )
- # endif
- struct s { int m; };
- BOOST_FUSION_ADAPT_STRUCT(s, (auto, m))
- BOOST_FUSION_ADAPT_STRUCT(
- ns::bar,
- (auto, foo_.x) // test that adapted members can actually be expressions
- (BOOST_FUSION_ADAPT_AUTO, y) // Mixing auto & BOOST_FUSION_ADAPT_AUTO
- // to test backward compatibility
- )
- BOOST_FUSION_ADAPT_STRUCT(
- ns::employee,
- (std::string, name)
- (BOOST_FUSION_ADAPT_AUTO, nickname)
- )
- #endif
- struct empty_struct {};
- BOOST_FUSION_ADAPT_STRUCT(empty_struct,)
- int
- main()
- {
- using namespace boost::fusion;
- using namespace boost;
- using ns::point;
- std::cout << tuple_open('[');
- std::cout << tuple_close(']');
- std::cout << tuple_delimiter(", ");
- {
- BOOST_MPL_ASSERT_NOT((traits::is_view<point>));
- BOOST_STATIC_ASSERT(!traits::is_view<point>::value);
- point p = {123, 456, 789};
- std::cout << at_c<0>(p) << std::endl;
- std::cout << at_c<1>(p) << std::endl;
- std::cout << at_c<2>(p) << std::endl;
- std::cout << p << std::endl;
- BOOST_TEST(p == make_vector(123, 456, 789));
- at_c<0>(p) = 6;
- at_c<1>(p) = 9;
- at_c<2>(p) = 12;
- BOOST_TEST(p == make_vector(6, 9, 12));
- BOOST_STATIC_ASSERT(boost::fusion::result_of::size<point>::value == 3);
- BOOST_STATIC_ASSERT(!boost::fusion::result_of::empty<point>::value);
- BOOST_TEST(front(p) == 6);
- BOOST_TEST(back(p) == 12);
- }
- {
- vector<int, float, int> v1(4, 2.f, 2);
- point v2 = {5, 3, 3};
- vector<long, double, int> v3(5, 4., 4);
- BOOST_TEST(v1 < v2);
- BOOST_TEST(v1 <= v2);
- BOOST_TEST(v2 > v1);
- BOOST_TEST(v2 >= v1);
- BOOST_TEST(v2 < v3);
- BOOST_TEST(v2 <= v3);
- BOOST_TEST(v3 > v2);
- BOOST_TEST(v3 >= v2);
- }
- {
- // conversion from point to vector
- point p = {5, 3, 3};
- vector<int, long, int> v(p);
- v = p;
- }
- {
- // conversion from point to list
- point p = {5, 3, 3};
- list<int, long, int> l(p);
- l = p;
- }
- { // begin/end
- using namespace boost::fusion;
- using boost::is_same;
- typedef boost::fusion::result_of::begin<s>::type b;
- typedef boost::fusion::result_of::end<s>::type e;
- // this fails
- BOOST_MPL_ASSERT((is_same<boost::fusion::result_of::next<b>::type, e>));
- }
- {
- BOOST_MPL_ASSERT((mpl::is_sequence<ns::point>));
- BOOST_MPL_ASSERT((boost::is_same<
- boost::fusion::result_of::value_at_c<ns::point,0>::type
- , mpl::front<ns::point>::type>));
- }
- #if !BOOST_WORKAROUND(__GNUC__,<4)
- {
- ns::point_with_private_attributes p(123, 456, 789);
- std::cout << at_c<0>(p) << std::endl;
- std::cout << at_c<1>(p) << std::endl;
- std::cout << at_c<2>(p) << std::endl;
- std::cout << p << std::endl;
- BOOST_TEST(p == make_vector(123, 456, 789));
- }
- #endif
- {
- fusion::vector<int, float> v1(4, 2.f);
- ns::bar v2 = {{5}, 3};
- BOOST_TEST(v1 < v2);
- BOOST_TEST(v1 <= v2);
- BOOST_TEST(v2 > v1);
- BOOST_TEST(v2 >= v1);
- }
- {
- ns::employee emp("John Doe", "jdoe");
- std::cout << at_c<0>(emp) << std::endl;
- std::cout << at_c<1>(emp) << std::endl;
- fusion::vector<std::string, std::string> v1("John Doe", "jdoe");
- BOOST_TEST(emp == v1);
- }
- return boost::report_errors();
- }
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